<? 
session_start(); 
session_unset(); 
session_destroy(); 
if(isset($_COOKIE['itt']))
{ 
	$time = time(); 
	setcookie("itt[username]", $time - 3600); 
	setcookie("itt[password]", $time - 3600); 
} 
header('Location: index'); 
exit(); 
?>
